PRACTICE WORKSHEET USING SECTION FORMULA FOR GRADE 9

(1)  Find the coordinates of the point which divides the line segment joining the points A(4,−3) and B(9, 7) in the ratio 3:2.            Solution

(2)  In what ratio does the point P(2,−5) divide the line segment joining A(−3, 5) and B(4, −9).       Solution

(3)  Find the coordinates of a point P on the line segment joining A(1, 2) and B(6, 7) in such a way that AP = (2/5) AB.       Solution

(4)  Find the coordinates of the points of trisection of the line segment joining the points A(−5, 6) and B(4,−3).     Solution

(5)  The line segment joining A(6,3) and B(−1, −4) is doubled in length by adding half of AB to each end. Find the coordinates of the new end points.   Solution

(6)  Using section formula, show that the points A(7, −5), B(9, −3) and C(13, 1) are collinear.          Solution

(7)  A line segment AB is increased along its length by 25% by producing it to C on the side of B. If A and B have the coordinates (−2, −3) and (2, 1) respectively, then find the coordinates of C.   Solution

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